Aug. 30, 2023 2023-XM1129 Washington Metropolitan Area Transit Authority, D.C.'s series 2023A second-lien dedicated revenue bonds (sustainability-climate-transition bonds) UBS AG, Stamford branch Mesirow Financial Inc. UBS Financial Services LLC Weekly S&P Global Ratings assigned the above-mentioned ratings to the floater and residual certificates (collectively the certificates), reflecting its opinion of the likelihood the trust will have sufficient assets to pay timely interest and full principal when due on the certificates. Trust assets include all distributions of principal; interest; and premiums, if any, from the underlying securities and the liquidity facility, which is in place to support tender payments on the floaters. The long-term component of our rating on the floaters reflects the ratings on the underlying securities and addresses full
